The Brief

The White House will impose even steeper cuts on greenhouse gas emissions from U.S. power plants than previously expected, senior administration officials said, in what the president called the most significant step the U.S. has ever taken to fight global warming

A Zimbabwe conservation group retracted its claim that Jericho, Cecil the lion's brother, had been killed by hunters — even as officials in the country said a second American citizen, Jan Casmir Sieski of Murrysville, Pa., illegally killed another lion several months ago

Vice President Joe Biden's associates have resumed discussions about a 2016 presidential run after largely shelving such deliberations while his son was sick and dying earlier this year. But Biden has yet to tell his staff whether he will run

Compton: A Soundtrack, which arrives over a decade after his 1999 album 2001, will be out Friday on Apple Music, the rapper and producer has revealed. The album was inspired by the upcoming biopic Straight Outta Compton

Desperate conditions in France's sprawling migrant camps—the ones in Calais are known as "the Jungle"—drive more migrants to seek a future across the Channel in England, but many remain in the crowded camps for months or years

A massive wildfire west of Sacramento, California, spanned 46,000 acres Sunday, up from 27,000 acres the previous evening. The Rocky Fire, in Lake County, was just 5 percent contained on Sunday morning, according to the California Department of Forestry and Fire Protection

Officials said that they would seek help from territories near the island where a suspected piece of the missing Malaysia Airlines jet was discovered to try to find more plane debris, as a reported second discovery turned out to be unrelated to the Boeing 777

After five movies, Mission: Impossible is still box office gold. Rogue Nation debuted to a solid $56 million this weekend, exceeding expectations and outstripping everything else in theaters. Meanwhile, Vacation opened with an undercooked $14.9 million for the weekend

The outspoken real estate magnate continues to lead the Republican primary field just days before the first GOP debate, according to a Wall Street Journal/NBC News poll. Trump holds a 19% lead over closest rival Scott Walker, on 15%

About 150 Confederate flag supporters rallied in North Carolina, and others in Georgia, to challenge the growing numbers of elected officials and public figures who want the flag consigned to history as they consider it a symbol of slavery and segregation

The World Health Organization has asked the IOC to analyze virus levels in Rio de Janeiro's Olympic waters, and the governing body of world sailing says it will start doing its own independent virus tests

The new leader of the Afghan Taliban vowed to continue his group's bloody, nearly 14-year insurgency in an audio message released Saturday, urging his fighters to remain unified after the death of their longtime leader